医学
基底内陷
计算机断层摄影术
枕骨
内陷
解剖
放射科
颞骨
颈椎
颅骨
外科
减压
作者
Wei Ji,Shaoyi Lin,Minggui Bao,Xiaobao Zou,Su Ge,Ma Xiangyang,Jianting Chen,Jincheng Yang
标识
DOI:10.1016/j.spinee.2020.01.005
摘要
Abstract BACKGROUND CONTEXT The occipital bone is often involved in the surgical treatment of basilar invagination (BI). However, the anatomy of the occipital bone associated with BI patients has yet to be investigated. PURPOSE To present a morphological map of the occipital bone in BI patients and help guide screw placement for occipitocervical fusion. Study Design A retrospective case-control study. METHODS Radiological measurements of the occipital bone were performed on computed tomography images based on a matrix of 99 points centered around the external occipital protuberance (EOP) in a cohort of 50 BI patients and 50 cases with no head and cervical disease. The comparison between the BI group and the control group was assessed using Student t analysis and p RESULTS All thicknesses measured from points of the matrix in the BI group were thinner than those in the control group (p CONCLUSIONS The occipital bone in BI patients is thinner than that in the general population. A limited safe zone in BI patients is available for surgeons to place screws, which may need to be fully evaluated before operation.
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